New urethane di(meth)acrylates of 1,3-bis(1-isocyanato-1-methylethyl)benzene useful as crosslinking agent

摘要

Urethane di(meth)acrylate derivatives (I) of 1,3-bis(1-isocyanato-1-methylethyl)benzene are new. Urethane di(meth)acrylate derivatives of 1,3-bis(1-isocyanato-1-methylethyl)benzene of formula (I) are new. R : H or linear 1-8 C alkyl; X, Y : a group of formula (IIA), (IIB) or (IIC); R 1, R 6(un)substituted 6-12 C aryl, 7-16 C alkylaryl or 7-12 C arylalkyl; R 2H, 1-5 C alkyl or (un)substituted 6-12 C aryl; R 3, R 5H or methyl; R 41-8 C alkylene, optionally with oxygen (-O-) atom(s) in the chain, or phenylene; T : carbonyl (-CO-) or a chemical bond; W : -O-, sulfur (-S-) or imino (-NR 7-); R 7H or linear 1-6 C alkyl; R 3 not : methyl if R : H and R 4dimethylene. Independent claims are also included for compositions containing (I); and the preparation of (I).